CN112339969A - Installation system in school of boats and ships installation tail pipe sealing device - Google Patents
Installation system in school of boats and ships installation tail pipe sealing device Download PDFInfo
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- CN112339969A CN112339969A CN202011048089.0A CN202011048089A CN112339969A CN 112339969 A CN112339969 A CN 112339969A CN 202011048089 A CN202011048089 A CN 202011048089A CN 112339969 A CN112339969 A CN 112339969A
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- 238000007789 sealing Methods 0.000 title claims abstract description 130
- 238000009434 installation Methods 0.000 title claims abstract description 65
- 238000003825 pressing Methods 0.000 claims description 39
- 238000005096 rolling process Methods 0.000 claims description 20
- 230000003014 reinforcing effect Effects 0.000 claims description 12
- 230000000149 penetrating effect Effects 0.000 claims description 10
- 238000001179 sorption measurement Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 210000004907 gland Anatomy 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 241001584775 Tunga penetrans Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H23/00—Transmitting power from propulsion power plant to propulsive elements
- B63H23/32—Other parts
- B63H23/321—Bearings or seals specially adapted for propeller shafts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B73/00—Building or assembling vessels or marine structures, e.g. hulls or offshore platforms
- B63B73/20—Building or assembling prefabricated vessel modules or parts other than hull blocks, e.g. engine rooms, rudders, propellers, superstructures, berths, holds or tanks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H23/00—Transmitting power from propulsion power plant to propulsive elements
- B63H23/32—Other parts
- B63H23/321—Bearings or seals specially adapted for propeller shafts
- B63H2023/327—Sealings specially adapted for propeller shafts or stern tubes
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T70/00—Maritime or waterways transport
- Y02T70/10—Measures concerning design or construction of watercraft hulls
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Sealing Devices (AREA)
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Abstract
The invention discloses a center correction mounting system for a ship mounting tail pipe sealing device, which is characterized by comprising a propeller, a propeller shaft, a tail pipe, a head sealing device, a tail sealing device and a center correction device, wherein the head sealing device and the tail sealing device are both mounted on the tail pipe and the propeller shaft; the centering device is mounted on the tail sealing device or the head sealing device. The tail pipe sealing device is simple in structure and convenient to use, and can improve the installation precision of the tail pipe sealing device and reduce the installation strength of constructors.
Description
Technical Field
The invention belongs to the technical field of ship construction, and particularly relates to a centering installation system for a ship installation tail pipe sealing device.
Background
With the development trend of large-scale modern ship construction, the diameter of the propeller used by the ship is gradually increased, and the weight of the propeller is also gradually increased. For example, a ship type propeller has a diameter of about 11m and a weight of about 93t, and similarly, the propeller shaft diameter and the weight are increased, and the ship type propeller shaft referred to above has a weight of about 92 t. Meanwhile, products used in the current shipbuilding are provided by different suppliers, such as the main engine, the propeller, the intermediate shaft, the propeller shaft and the like used by the ship, and if the suppliers cannot supply the products on schedule, such as the main engine or the intermediate shaft, the propeller shaft and the tail pipe sealing device need to be installed in advance in order to shorten the shipbuilding period and reduce the manufacturing cost or the maintenance cost.
After the propeller shaft, the tail pipe sealing device, the propeller and other parts of the ship of each ship type are usually installed, the main engine and the shaft system are pre-calibrated and initially positioned at the installation position, the intermediate shaft, the propeller shaft, the intermediate shaft and the main engine are connected into a whole by using temporary bolts, and the tail pipe sealing device is calibrated and installed by using the rotating shaft system of the turning machine of the main engine. Because the main engine or the intermediate shaft is not hung to the installation position, the central installation work of the tail pipe sealing device cannot be finished by using the jigger of the main engine, and if additional power equipment and auxiliary tools are used for rotating assembling parts such as a propeller with the weight of about 200t, a propeller shaft and the like, the labor intensity of constructors is high, large manpower and material resources are needed, the rotation is not stable and difficult to control, and the precision for installing the tail pipe sealing device is low.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a centering installation system for a ship installation tail pipe sealing device, which can solve the problem that the tail pipe sealing device is difficult to install due to delayed installation of a host or an intermediate shaft in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides a center-correcting installation system for a ship installation tail pipe sealing device, which comprises a propeller, a propeller shaft, a tail pipe, a head sealing device, a tail sealing device and a center-correcting device,
the head sealing device and the tail sealing device are both arranged on the tail pipe and the propeller shaft, the head sealing device is arranged on one side of the propeller shaft close to a flange end, the tail sealing device is arranged on one side of the propeller shaft close to a propeller, the tail pipe is sleeved outside the propeller shaft and is positioned between the head sealing device and the tail sealing device, the head sealing device and the tail sealing device are identical in structure, the tail sealing device comprises a sealing body, a sealing lining sleeve, a sealing mounting bolt and a sealing fastening bolt, a sealing lining sleeve is arranged in the sealing body, the sealing body is fixedly arranged with the tail pipe through the sealing mounting bolt, and the sealing lining sleeve is fixedly arranged with the propeller through the sealing fastening bolt; the centering device is arranged on the tail sealing device or the head sealing device and comprises a rotating mechanism, a magnetic meter frame, a dial indicator, an installation base, a connecting plate and a supporting seat,
the rotating mechanism comprises a bearing seat frame, a rolling bearing, a first bearing shaft, a second bearing shaft, a first pressing plate, a second pressing plate, a first set screw and a second set screw, wherein the bearing seat frame is an arc-shaped component, the bearing seat frame is provided with an upper boss along an outer arc section and a lower boss along an inner arc section, a mounting groove is formed between the upper boss and the lower boss, the first pressing plate is mounted at the end part of the upper boss, the second pressing plate is mounted at the end part of the lower boss, the first pressing plate and the second pressing plate are both arc-shaped, one side of the bearing seat frame facing the first pressing plate and one side of the first pressing plate facing the bearing seat frame are respectively provided with a first shaft mounting hole, the first bearing shaft is arranged between the two first shaft mounting holes, and the rolling bearing is sleeved on the first bearing shaft, the bearing seat frame faces one side of the second pressing plate, the second pressing plate faces one side of the second bearing seat frame and is respectively provided with a second shaft mounting hole, the second bearing shaft is arranged between the two second shaft mounting holes, the second bearing shaft is sleeved with a rolling bearing, the outer arc section of the bearing seat frame and the outer arc section of the first pressing plate are provided with first fastening screw holes, first fastening screws are arranged in the first fastening screw holes, the inner arc section of the bearing seat frame and the inner arc section of the second pressing plate are provided with second fastening screw holes, second fastening screws are arranged in the second fastening screw holes, the first fastening screws are vertical to the first bearing shaft, and the second fastening screws are vertical to the second bearing shaft,
the magnetic gauge stand is fixed on the outer arc section of the bearing seat frame through magnetic adsorption, the dial gauge is fixed on the magnetic gauge stand,
the mounting base is of a circular ring structure, a mounting channel is formed in the position, close to the outer arc, of the side portion of the mounting base along the circumferential direction of the mounting base, the second pressing plate, the lower boss and the second bearing shaft are arranged in the mounting channel, a bearing track is formed in the outer arc surface of the mounting base along the circumferential direction of the outer arc surface, a rolling bearing on the first bearing shaft is arranged in the bearing track, and a plurality of base mounting holes are formed in the side wall of the mounting base in a penetrating mode along the circumferential direction,
a plurality of plate mounting holes corresponding to the seat mounting holes are arranged on the connecting plate in a penetrating way, the mounting base is mounted on the connecting plate through seat mounting bolts and seat mounting nuts, the lower end of the connecting plate is respectively provided with a long waist-shaped transverse adjusting slotted hole at two sides, first adjusting seat plates are arranged at two sides of the connecting plate in an outward extending way, first adjusting threaded holes are arranged in the first adjusting seat plates in a penetrating way, and first adjusting bolts are arranged in the first adjusting threaded holes,
the support seat is provided with two long waist-shaped vertical adjusting slotted holes, the transverse adjusting slotted holes and the longitudinal adjusting slotted holes are arranged in an intersecting manner to form mounting slotted holes and are fixed with plate mounting nuts through plate mounting bolts, the lateral part of the support seat extends outwards to be provided with a first adjusting bottom plate, one side of the first adjusting bottom plate, which is far away from the support seat, is provided with a third adjusting seat plate, the third adjusting seat plate is vertical to the first adjusting bottom plate, the top part of the first adjusting bottom plate is provided with a first reinforcing plate, the first reinforcing plate is connected with the support seat and the first adjusting bottom plate, the first reinforcing plate is positioned under the first adjusting bolts, third adjusting threaded holes are arranged on the third adjusting seat plate in a penetrating manner, third adjusting bolts are arranged in the third adjusting threaded holes, and support the lateral part of the connecting plate, the supporting seat is located a second adjusting seat plate is arranged right below the longitudinal adjusting groove hole, a second adjusting threaded hole penetrates through the second adjusting seat plate, a second adjusting bolt is installed in the second adjusting threaded hole, and the second adjusting bolt supports the lower portion of the connecting plate.
As a preferable technical scheme, the number of the first shaft mounting holes is 1, the number of the second shaft mounting holes is 2, and the first shaft mounting holes and the second shaft mounting holes are arranged in a staggered manner along the length direction of the bearing seat frame.
As a preferable technical scheme, the first pressure plate and the bearing seat frame, and the second pressure plate and the bearing seat frame are fixed by plate fastening bolts.
As an optimal technical scheme, the first shaft mounting hole and the second shaft mounting hole are both long waist holes, and the long axis of the shaft mounting hole points to the center of a circular arc where the bearing seat frame is located.
As a preferable technical scheme, a first gasket is arranged between the rolling bearing and the first pressure plate, and a second gasket is arranged between the rolling bearing and the second pressure plate.
As a preferable technical solution, the mounting base is composed of two semicircular annular seat members, two ends of each of the two seat members are respectively provided with two seat bosses, the seat bosses are arranged on two sides of the seat member, and the two seat members are fixed with fixing nuts through fixing bolts.
Preferably, a reinforcing rib is provided between the support base, the first adjustment floor, and the third adjustment seat plate.
As the preferred technical scheme, a supporting platform is arranged at the bottom of the supporting seat.
Compared with the prior art, the invention has the beneficial effects that:
the tail pipe sealing device is simple in structure and convenient to use, the problem that the tail pipe sealing device is difficult to install due to delayed installation of the main engine or the intermediate shaft in the prior art can be solved by utilizing the tail pipe sealing device to install the tail pipe sealing device, the installation precision of the tail pipe sealing device can be improved, and the installation strength of constructors can be reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is one of the structural schematic diagrams of the centering installation system of the ship installation tail pipe sealing device of the invention.
Fig. 2 is a partially enlarged view of a portion a in fig. 1.
Fig. 3 is a second schematic structural view of the centering installation system of the sealing device of the installation tail pipe of the ship of the invention.
Fig. 4 is a partially enlarged view of fig. 3 at B.
FIG. 5 is a schematic structural diagram of a centering device according to the present invention.
Fig. 6 is a cross-sectional view taken along the direction C-C of fig. 5.
Fig. 7 is a cross-sectional view taken along the direction C-C1 in fig. 5.
Fig. 8 is a cross-sectional view taken along the direction D-D of fig. 5.
FIG. 9 is a schematic view of a bearing frame of the centering device of the present invention.
Fig. 10 is a cross-sectional view taken along the direction E-E of fig. 9.
FIG. 11 is a schematic view of the first pressing plate of the calibration apparatus of the present invention.
Fig. 12 is a sectional view taken along the direction F-F in fig. 11.
Fig. 13 is a sectional view taken along the direction G-G of fig. 11.
FIG. 14 is a schematic view of the second presser plate in the calibration apparatus of the present invention.
Fig. 15 is a sectional view taken along the direction H-H in fig. 14.
Fig. 16 is a cross-sectional view taken along the line I-I of fig. 14.
FIG. 17 is a schematic view of a mounting base of the centering device of the present invention.
Fig. 18 is a cross-sectional view taken along direction J-J of fig. 17.
Fig. 19 is a cross-sectional view taken along the direction K-K of fig. 17.
FIG. 20 is a schematic view of a support base of the calibrating apparatus of the present invention.
FIG. 21 is a left side view of a support base of the centering device of the present invention.
FIG. 22 is a schematic view showing the structure of a connection plate in the calibration apparatus of the present invention.
FIG. 23 is a left side view of the connection plate of the centering device of the present invention.
Wherein the reference numerals are as follows: the dial gauge 101, the magnetic gauge frame 102, the rotation mechanism 103, the bearing seat frame 1031, the first set screw 1032, the first bearing shaft 1033, the second bearing shaft 1034, the second set screw 1035, the second pressing plate 1036, the second plate fastening bolt 1037, the second gasket 1038, the rolling bearing 1039, the first gasket 10310, the first pressing plate 10311, the first plate fastening bolt 10312, the mounting base 104, the fixing bolt 1041, the fixing nut 1042, the connecting plate 105, the first adjustment seat plate 1051, the seat mounting nut 106, the seat mounting bolt 107, the plate mounting nut 108, the plate mounting bolt 109, the supporting seat 110, the second adjustment bolt 111, the second adjustment seat plate 112, the third adjustment bolt 113, the third adjustment seat plate 114, the reinforcement rib plate 115, the first reinforcement plate 116, the first adjustment bottom plate 117, the first adjustment bolt 118, the supporting platform 201, the propeller 301, the propeller shaft 401, the seal gasket 501, the 502, the seal fastening bolt 503, the seal fastening bolt, First elastic gasket 504, seal body 505, seal mounting bolt 506, second elastic gasket 507, adjusting gasket 508, tail pipe 601.
Detailed Description
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.
The embodiment provides a center-alignment installation system for a ship installation tail pipe sealing device, which comprises a propeller 301, a propeller shaft 401, a tail pipe 601, a head sealing device, a tail sealing device and a center-alignment device.
The head sealing device and the tail sealing device are both arranged on the propeller shaft 401, the head sealing device is arranged on one side of the propeller shaft 401 close to the flange end, the tail sealing device is arranged on one side of the propeller shaft 401 close to the propeller 301, the tail pipe 601 is sleeved outside the propeller shaft 401 and is positioned between the head sealing device and the tail sealing device, the head sealing device and the tail sealing device are the same in structure, the tail sealing device comprises a sealing body 505, a sealing bush 501, a sealing installation bolt 506 and a sealing fastening bolt 503, the sealing body 505 is fixedly arranged with the tail pipe 601 through the sealing installation bolt 506, and the sealing bush 501 is fixedly arranged with the propeller 301 through the sealing fastening bolt 503;
the centering device is arranged on the tail sealing device or the head sealing device and comprises a rotating mechanism 103, a magnetic meter frame 102, a dial indicator 101, an installation base 104, a connecting plate 105 and a supporting seat 110.
The rotating mechanism 103 is composed of a bearing seat frame 1031, a first set screw 1032, a first bearing shaft 1033, a first gasket 10310, a first pressing plate 10311, a second set screw 1035, a second bearing shaft 1034, a second gasket 1038, a second pressing plate 1036, and a rolling bearing 1039. The bearing seat frame 1031 is an arc-shaped member, the bearing seat frame 1031 is provided with an upper boss along an outer arc section, a lower boss along an inner arc section, and a mounting groove is formed between the upper boss and the lower boss. The first pressing plate 10311 is mounted on the end portion of the upper boss by a fastener, the second pressing plate 1036 is mounted on the end portion of the lower boss by a fastener, and both the first pressing plate 10311 and the second pressing plate 1036 are arc-shaped. In this embodiment, the fasteners are first plate fastening bolts 10312 and second plate fastening bolts 1037, a plurality of countersunk bolt holes are provided at positions of the first pressing plate 10311 corresponding to the upper bosses, and a plurality of countersunk bolt holes are provided at positions of the second pressing plate 1036 corresponding to the upper bosses.
First shaft mounting holes are respectively formed in one side, facing the first pressure plate 10311, of the bearing seat frame 1031 and one side, facing the bearing seat frame 1031, of the first pressure plate 10311, a first bearing shaft 1033 is arranged between the two first shaft mounting holes, and a rolling bearing 1039 is sleeved outside the first bearing shaft 1033. A second shaft mounting hole is respectively formed in one side of the bearing seat frame 1031 facing the second pressure plate 1036, one side of the second pressure plate 1036 facing the second bearing seat frame 1031 is provided with a second bearing shaft 1034, and a rolling bearing 1039 is sleeved on the second bearing shaft 1034. The number of the first shaft mounting holes is 1, the number of the second shaft mounting holes is 2, and the first shaft mounting holes and the second shaft mounting holes are arranged in a staggered manner along the length direction of the bearing seat frame 1031. A first gasket 10310 is provided between the rolling bearing 1039 and the first pressure plate 10311, and a second gasket 1038 is provided between the rolling bearing 1039 and the second pressure plate 1036.
The first shaft mounting hole and the second shaft mounting hole are both long waist holes, and the long axis of the shaft mounting hole points to the center of the arc where the bearing seat frame 1031 is located. The outer arc section of the bearing seat frame 1031 and the outer arc section of the first pressure plate 10311 are provided with first fastening screw holes, first fastening screws 1032 are installed in the first fastening screw holes, the inner arc section of the bearing seat frame 1031 and the inner arc section of the second pressure plate 1036 are provided with second fastening screw holes, second fastening screws 1035 are arranged in the second fastening screw holes, the first fastening screws 1032 are perpendicular to the first bearing shaft 1033, the second fastening screws 1035 are perpendicular to the second bearing shaft 1034, and the positions of the first bearing shaft 1033 and the second bearing shaft 1034 are respectively adjusted through the first fastening screws 1032 and the second fastening screws 1035, so that the first fastening screws 1033 and the second bearing shaft 1034 can be in good contact with the surface of the mounting base 104.
The mounting base 104 is composed of two semicircular ring-shaped seat members, two ends of the two seat members are respectively provided with two seat bosses which are arranged on two sides of the seat members, and the two seat members are fixed with the fixing nuts 1042 through fixing bolts 1041. The lateral part of the mounting base 104 is provided with a mounting channel along the circumferential direction of the mounting base 104 near the outer arc, the second pressure plate 1036, the lower boss and the second bearing shaft 1034 are arranged in the mounting channel, the outer arc of the mounting base 104 is provided with a bearing track along the circumferential direction, the rolling bearing 1039 on the first bearing shaft 1033 is arranged in the bearing track, and the lateral wall of the mounting base 104 is provided with a plurality of base mounting holes along the circumferential direction.
Connecting plate 105 is used for fixed mounting base 104, and connecting plate 105 adopts the steel sheet preparation to form, and one side of connecting plate 105 sets up to the arc surface, and connecting plate 105 is provided with a plurality of board mounting holes along the radian direction of arc surface, the position one-to-one of board mounting hole and seat mounting hole, and after the seat mounting hole on the installation base 104 and the board mounting hole on the connecting plate 105 aligned, fix through seat construction bolt 107 and seat construction nut 106. Meanwhile, a long waist-shaped transverse adjusting slot hole is symmetrically formed in two sides of the lower portion of the connecting plate 105, first adjusting seat plates 1051 are symmetrically arranged on two sides of the connecting plate 105 in an outwards extending mode, first adjusting threaded holes are formed in the first adjusting seat plates 1051 in a penetrating mode, first adjusting bolts 118 are installed in the first adjusting threaded holes, and the first adjusting bolts 118 can rotate the upper position and the lower position of the mechanism 103 to fix the upper position and the lower position.
The supporting seat 110 includes two, sets up respectively in the both sides of connecting plate 105, and the bottom of supporting seat 110 is provided with supporting platform 201. The main body of the supporting seat 110 is a channel steel structure, a long waist-shaped vertical adjusting slot is formed in the upper portion of the supporting seat, the vertical adjusting slot and the horizontal adjusting slot are arranged in a crossed mode and fixed with a plate mounting nut 108 through a plate mounting bolt 109, and the vertical adjusting slot and the horizontal adjusting slot are used for adjusting the vertical position and the horizontal position of the rotating mechanism 103.
The lateral part of the supporting seat 110 extends outwards to be provided with a first adjusting bottom plate 117, one side of the first adjusting bottom plate 117, which is far away from the supporting seat 110, is provided with a third adjusting seat plate 114, the third adjusting seat plate 114 is perpendicular to the first adjusting bottom plate 117, the top of the first adjusting bottom plate 117 is provided with a first reinforcing plate 116, the first reinforcing plate 116 is connected with the supporting seat 110 and the first adjusting bottom plate 117, and the first reinforcing plate 116 is located under a first adjusting bolt 118 and used for supporting the first adjusting bolt 118 to fix the position of the connecting plate 105. Reinforcing ribs 115 are provided between the support base 110, the first adjustment base plate 117, and the third adjustment base plate 114.
A third adjusting threaded hole is formed in the third adjusting seat plate 114 in a penetrating manner, a third adjusting bolt 113 is arranged in the third adjusting threaded hole, and the third adjusting bolt 113 supports the side portion of the connecting plate 105 and is used for fixing two sides of the connecting plate 105. A second adjusting seat plate 112 is arranged right below the longitudinal adjusting groove hole of the supporting seat 110, a second adjusting threaded hole penetrates through the second adjusting seat plate 112, a second adjusting bolt 111 is installed in the second adjusting threaded hole, and the second adjusting bolt 111 supports the lower portion of the connecting plate 105 and is used for supporting the connecting plate 105.
The magnetic gauge frame 102 is fixed on the outer arc section of the bearing seat frame 1031 through magnetic adsorption, and the dial gauge 101 is fixed on the magnetic gauge frame 102.
In this embodiment, when the sealing device of the tail pipe 601 is calibrated, the specific process is as follows:
firstly, before the propeller shaft 401 is installed, sleeving a head sealing device on the propeller shaft 401, moving the head sealing device to a flange end close to the propeller shaft 401, lifting the propeller shaft 401, plugging the propeller shaft 401 into a tail pipe 601, plugging the tail pipe 601 to an installation position of the propeller shaft 401, moving the head sealing device to the installation position, lifting and sleeving a tail sealing device on the propeller shaft 401, pre-fixing a front end seat plate of a sealing body 505 on the tail pipe 601 through a sealing installation bolt 506, not screwing the sealing installation bolt 506, arranging an adjusting gasket 508 between the sealing body 505 and the tail pipe 601, and arranging a second elastic gasket 507 between the sealing installation bolt 506 and the sealing body 505.
Step two, the propeller 301 is lifted at the installation position, the center of the taper hole of the propeller 301 is adjusted to be basically consistent with the center of the propeller shaft 401, the propeller 301 is sleeved on the propeller shaft 401, and after the propeller 301 is sleeved in place, a space for arranging the dial indicator 101 is reserved between the propeller 301 and the sealing bush 501.
Step three, setting up a centering device, determining the installation position of the centering device on the platform, placing the two supporting platforms 201 at the installation position, installing the supporting seat 110, the connecting plate 105, the installation base 104 and the rotating mechanism 103 in place, and arranging the installation base 104 outside the sealing body 505. The method specifically comprises the following steps: after fixing the two support bases 110 at the mounting positions, the connecting plate 105 is fixed to the support bases 110 by the plate mounting bolts 109 and the plate mounting nuts 108, the mounting base 104 is fixed to the connecting plate 105 by the base mounting bolts 107 and the base mounting nuts 106, the rotating mechanism 103 is mounted to the mounting base 104, the rotating mechanism 103 is rotated to check flexibility and tightness thereof, the contact condition between the rolling bearing 1039 and the arc surface rail is adjusted by the first set screw 1032, the two semicircular base members are connected into a whole by the fixing bolt 1041 and the fixing nut 1042, and pre-calibration is performed by adjusting the first adjusting bolt 118, the second adjusting bolt 111, and the third adjusting bolt 113.
And step four, fixing the magnetic gauge stand on the rotating mechanism 103 in an adsorbing manner, installing the connecting rod and the dial gauge 101 on the gauge stand, and checking the contact between the measuring head on the ejector rod of the dial gauge 101 and the surface of the propeller shaft 401.
And step five, manually rotating the rotating mechanism 103 by taking the excircle of the propeller shaft 401 as a reference, observing data of the dial indicator 101, adjusting the mounting base to be concentric with the propeller shaft 401, locking the supporting seat 110 and the plate mounting bolt 109 on the connecting plate 105 after adjustment, fixing the position of the centering device, locking the first adjusting bolt 118, the second adjusting bolt 111 and the third adjusting bolt 113, and rotating the rotating mechanism 103 again to observe whether the data of the dial indicator 101 are changed.
And sixthly, removing the dial indicator 101 and the extension rod, finely adjusting the propeller and the propeller shaft 401 to the installation position, pre-fixing the flange end of the sealing bush 501 on the propeller 301 through a sealing fastening bolt 503, arranging a sealing gasket 502 between the sealing bush 501 and the bolt propeller, and arranging a first elastic gasket 504 between the sealing fastening bolt 503 and the sealing bush 501.
And step seven, the connecting rod and the dial indicator 101 are installed on the dial indicator frame again, the measuring head on the ejector rod of the dial indicator 101 is in contact with the outer surface of the sealing bush 501, the rotating mechanism 103 is rotated, the data of the dial indicator 101 are observed, and the sealing bush 501 is adjusted, so that the circular runout data on the dial indicator 101 are in a required range.
Step eight, rotating the dial indicator 101 by ninety degrees or an angle suitable for measurement, arranging a measuring head on an ejector rod of the dial indicator 101 on a flange plane of the sealing bush 501, rotating the rotating mechanism 103, observing data of the dial indicator 101, and adjusting the sealing bush 501 to enable the data of the full run-out of the circular run-out end face of the dial indicator 101 to be within a required range.
Step nine, measuring the distance between the inner hole of the rear end gland of the sealing body 505 and the flange plane excircle of the sealing bush 501, adjusting the sealing body 505 to enable the distance between the inner hole of the rear end gland in the upper, lower, left and right directions to be within a required range, after centering is finished, screwing the sealing fastening bolt 503, and dismantling the centering device.
In addition, the centering installation method of the head seal device is basically the same as that of the tail seal device, and is not described herein.
Although the present invention has been described in detail with respect to the above embodiments, it will be understood by those skilled in the art that modifications or improvements based on the disclosure of the present invention may be made without departing from the spirit and scope of the invention, and these modifications and improvements are within the spirit and scope of the invention.
Claims (8)
1. A center correction installation system for a ship installation tail pipe sealing device is characterized by comprising a propeller, a propeller shaft, a tail pipe, a head sealing device, a tail sealing device and a center correction device,
the head sealing device and the tail sealing device are both arranged on the tail pipe and the propeller shaft, the head sealing device is arranged on one side of the propeller shaft close to a flange end, the tail sealing device is arranged on one side of the propeller shaft close to a propeller, the tail pipe is sleeved outside the propeller shaft and is positioned between the head sealing device and the tail sealing device, the head sealing device and the tail sealing device are identical in structure, the tail sealing device comprises a sealing body, a sealing lining sleeve, a sealing mounting bolt and a sealing fastening bolt, a sealing lining sleeve is arranged in the sealing body, the sealing body is fixedly arranged with the tail pipe through the sealing mounting bolt, and the sealing lining sleeve is fixedly arranged with the propeller through the sealing fastening bolt;
the centering device is arranged on the tail sealing device or the head sealing device and comprises a rotating mechanism, a magnetic meter frame, a dial indicator, an installation base, a connecting plate and a supporting seat,
the rotating mechanism comprises a bearing seat frame, a rolling bearing, a first bearing shaft, a second bearing shaft, a first pressing plate, a second pressing plate, a first set screw and a second set screw, wherein the bearing seat frame is an arc-shaped component, the bearing seat frame is provided with an upper boss along an outer arc section and a lower boss along an inner arc section, a mounting groove is formed between the upper boss and the lower boss, the first pressing plate is mounted at the end part of the upper boss, the second pressing plate is mounted at the end part of the lower boss, the first pressing plate and the second pressing plate are both arc-shaped, one side of the bearing seat frame facing the first pressing plate and one side of the first pressing plate facing the bearing seat frame are respectively provided with a first shaft mounting hole, the first bearing shaft is arranged between the two first shaft mounting holes, and the rolling bearing is sleeved on the first bearing shaft, the bearing seat frame faces one side of the second pressing plate, the second pressing plate faces one side of the second bearing seat frame and is respectively provided with a second shaft mounting hole, the second bearing shaft is arranged between the two second shaft mounting holes, the second bearing shaft is sleeved with a rolling bearing, the outer arc section of the bearing seat frame and the outer arc section of the first pressing plate are provided with first fastening screw holes, first fastening screws are arranged in the first fastening screw holes, the inner arc section of the bearing seat frame and the inner arc section of the second pressing plate are provided with second fastening screw holes, second fastening screws are arranged in the second fastening screw holes, the first fastening screws are vertical to the first bearing shaft, and the second fastening screws are vertical to the second bearing shaft,
the magnetic gauge stand is fixed on the outer arc section of the bearing seat frame through magnetic adsorption, the dial gauge is fixed on the magnetic gauge stand,
the mounting base is of a circular ring structure, a mounting channel is formed in the position, close to the outer arc, of the side portion of the mounting base along the circumferential direction of the mounting base, the second pressing plate, the lower boss and the second bearing shaft are arranged in the mounting channel, a bearing track is formed in the outer arc surface of the mounting base along the circumferential direction of the outer arc surface, a rolling bearing on the first bearing shaft is arranged in the bearing track, a plurality of base mounting holes are formed in the side wall of the mounting base in a penetrating mode along the circumferential direction,
a plurality of plate mounting holes corresponding to the seat mounting holes are arranged on the connecting plate in a penetrating way, the mounting base is mounted on the connecting plate through seat mounting bolts and seat mounting nuts, the lower end of the connecting plate is respectively provided with a long waist-shaped transverse adjusting slotted hole at two sides, first adjusting seat plates are arranged at two sides of the connecting plate in an outward extending way, first adjusting threaded holes are arranged in the first adjusting seat plates in a penetrating way, and first adjusting bolts are arranged in the first adjusting threaded holes,
the support seat is provided with two long waist-shaped vertical adjusting slotted holes, the transverse adjusting slotted holes and the longitudinal adjusting slotted holes are arranged in an intersecting manner to form mounting slotted holes and are fixed with plate mounting nuts through plate mounting bolts, the lateral part of the support seat extends outwards to be provided with a first adjusting bottom plate, one side of the first adjusting bottom plate, which is far away from the support seat, is provided with a third adjusting seat plate, the third adjusting seat plate is vertical to the first adjusting bottom plate, the top part of the first adjusting bottom plate is provided with a first reinforcing plate, the first reinforcing plate is connected with the support seat and the first adjusting bottom plate, the first reinforcing plate is positioned under the first adjusting bolts, third adjusting threaded holes are arranged on the third adjusting seat plate in a penetrating manner, third adjusting bolts are arranged in the third adjusting threaded holes, and support the lateral part of the connecting plate, the supporting seat is located a second adjusting seat plate is arranged right below the longitudinal adjusting groove hole, a second adjusting threaded hole penetrates through the second adjusting seat plate, a second adjusting bolt is installed in the second adjusting threaded hole, and the second adjusting bolt supports the lower portion of the connecting plate.
2. The center-check installation system of a ship installation tail pipe sealing device according to claim 1, wherein the number of the first shaft installation holes is 1, the number of the second shaft installation holes is 2, and the first shaft installation holes and the second shaft installation holes are arranged in a staggered mode along the length direction of the bearing seat frame.
3. The centering system for a ship installation tail pipe sealing device according to claim 1, wherein the first pressing plate and the bearing seat frame, and the second pressing plate and the bearing seat frame are fixed by plate fastening bolts.
4. The centering installation system of a tail pipe sealing device for ship installation according to claim 1, wherein the first shaft installation hole and the second shaft installation hole are both long waist holes, and a long axis of the shaft installation hole points to a center of a circular arc where the bearing seat frame is located.
5. The centering installation system for the ship installation tail pipe sealing device according to claim 1, wherein a first gasket is arranged between the rolling bearing and the first pressure plate, and a second gasket is arranged between the rolling bearing and the second pressure plate.
6. The centering system for a tail pipe sealing device for ship installation according to claim 1, wherein said installation base is composed of two semicircular ring-shaped seat members, two seat bosses are respectively provided at both ends of the two seat members, said seat bosses are provided at both sides of said seat members, and both said seat members are fixed with fixing nuts by fixing bolts.
7. The center-check installation system of a ship installation tail pipe sealing device according to claim 1, wherein a reinforcing rib is arranged among the support base, the first adjusting base plate and the third adjusting base plate.
8. The centering installation system for a ship installation tail pipe sealing device according to claim 1, wherein a support platform is provided at the bottom of the support base.
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| CN202011048089.0A CN112339969B (en) | 2020-09-29 | 2020-09-29 | Centering installation system for ship installation tail pipe sealing device |
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| CN112339969B (en) | 2023-12-08 |
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